#3063B7#3063B7

#3063B7 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.144 H 259.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#3063B7
RGB	rgb(48, 99, 183)
HSL	hsl(217, 58%, 45%)
HSV	hsv(217, 74%, 72%)
CMYK	cmyk(73.8%, 45.9%, 0%, 28.2%)
CIE-LAB	lab(42.72, 12.37, -49.42)
CIE-LCH	lch(42.72, 50.95, 284.06°)
OKLab	oklab(51.01% -0.0253 -0.1416)
OKLCH	oklch(51.01% 0.144 259.9)
XYZ	xyz(14.2249, 12.9694, 46.5442)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3063B7 #B78430

analogous

#30A7B7 #3063B7 #4030B7

triadic

#3063B7 #B73063 #63B730

tetradic

#3063B7 #B730A7 #B78430 #30B740

square

#3063B7 #B730A7 #B78430 #30B740

split-complementary

#3063B7 #B74030 #A7B730

monochromatic

#172F56 #234987 #3063B7 #5283D2 #83A6DE

Accessibility & contrast

On white

5.84

#3063B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3063B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3063B7

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3063B7	#FFFFFF	#000000	##FFFFFF
##3063B7	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376BBA

Deuteranopia (green-blind)

#1A5FB5

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3063b7;
/* rgb */ color: rgb(48, 99, 183);
/* oklch */ color: oklch(51.0% 0.144 259.9);

Tailwind

colors: {
  custom: {
    50: '#7a8ecd',
    500: '#3063b7',
    950: '#000000',
  },
}

SCSS

$custom: #3063b7;
$custom-light: #7a8ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#3063b7",
  "rgb": {
    "r": 48,
    "g": 99,
    "b": 183
  },
  "hsl": {
    "h": 217.333,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51006,
    "c": 0.14389,
    "h": 259.9
  },
  "luminance": 0.12971
}

Semantic roles & 50–950 ramp

primary

#3063B7

secondary

#C8AB7B

accent

#A746E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3063B7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →